Belvidere, IL Area Codes
Belvidere is served by area codes 779 and 815. It is in Illinois, Boone County. About 33,582 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 779, 815 |
| State / province | Illinois |
| County | Boone County |
| Population | 33,582 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 42.2459, -88.8399 |
What area code is Belvidere in?
ZIP codes in the code footprint
Nearby towns and their area codes
Poplar Grove 779, 815Marengo 779, 815Machesney Park 779, 815Rockford 779, 815Roscoe 779, 815Loves Park 779, 815Harvard 779, 815South Beloit 779, 815
How to dial
Dial 779 + 7 digits for a number in Belvidere, or +1 779 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.